Fertilizer distributer



(No Modal.)

J. S. KEMP.

FERT1LIZER DISTRIBUTER.

Patented Deo. 5. 1882 IIj| UN1TED STAES PATENT OFFICE? JOSEPH S. KEMP, OF MAGOG, QUBEC, CANADA.

FERTlLIZER-DISTRIBUTER.

SPECIFICATION forming part of Letters Patent No. 268,410, dated December 5, 1882.

Application filed December 24, 1881. (No modal.)

ence marked thereon, which form a part of this specification.

M y invention relates to improvements in fertilizer-distributers, more especially in the mannre-spreaders covered in the Letters Patent granted to me May 1, 1877, No. 190,220, Re-

issued May 28,1878, No. 8,254, and Letters Patent No. 241,023, dated May 3, 1881.

The object of this invention is, primarily, t0 attain varions rates of speed in'the bottom-operating mechanism With reference to a given view of my improved distributer.

motion of the drivingwhee]s or their axle, whereby the bottom or fioor of the cart Will be moved rearwardly at different speeds to the drum, so as to effect the distribution of varying quantitics of fertilizing material to the acre as may be deemed necessary or advisable in view of the reqnirements of the land or the stren gth of the fertilizer.

To this end 1ny invention consists et parts substantially as hereinafterdescribed, and fnlly set forth in the claims. 7

Rcferring to the drawings, Figure 1 isa plan Fig. 2 is a side elevation thercoflwith one of the driving and carrying wheels removed and exhibiting the bottom-operating mechanism. Fig. 3 is a detail view showing the arrangement of the coil-spring and wrist of the crank-arm in the slotted connecting-bar: Fig. 4 is an elevation of the improved spnr-gear wheel haVing the several series of teeth, as described hereinafter, and also showing a portion of the worm-shaft with its pinion; and Fig. 5 is a detail elevation of the Worm-shaft With its worm and pinion, the sector, and bell-crank lever, and parts of the contiguous mechanism. Fig. 6 is adetail view of the segment.

Corresponding parts in the several figures are denoted by similar letters of reference.

In the annexed drawings, A is the box or body B, the endless chains 0, the slatted bottom; D, the tootheddrnm or spreader; E, the drivin g and supporting or carrying wheels, and F the axle.

lhe aide freely revolves in bearings on the under side of the irameof the machine and receives near each end the driving-gears j and e, securely keyed thereto. lhe pawl-and-ratchet mechanism for conveying motion from the wheels to the axlc whcn the machine movcs forward is connected, as heretotore, to the axle and hubs of the wheels E. The spur-gear 'v meshes with the pinion 1). The inner face of the latter is provided with teeth Which can be made to interlock with similar teeth on the contiguons face of the hub of the gear-wheel L by means-of the shipper S, pivoted at 6, as-

shown. The forward extremity of said shippcr en gages with the screw h on the shaft M, which extends across the forward part of the machine and carries at its opposite end the crank-arm 0. The baud-lever 0 is sccured to the shaft M and serves, npon being raised, t0 partially revolve the said shaft to cause an outward movement of the shipper S, indncing the pinion p and gear-wheel L to clntch, by which motion is conveyed from theaxle to the toothed drum D throngh the train et gears 27, 19, L, N, and 8.

When the Ioad in the body of the cart is discharged the projection or finger b on the end board, H, Will press on the trip-lever T, causing the latch 1, connected thereto by the wire d, to be swung on its pivot and'be withdrawn from contact With the baud-lever o, thereby permitting the latter to fall, when, th rongh the partial rotation of the shaft M, the shipper will disengage the jaws of the clutch to prevent further rotation of the drum; and, further, the bottom-operating mechanism Will be prevcnted from conveying motion to the bottom, as Will be presently seen.. Aftertheload is discharged the bottom is bronght into placein the bodyof the cart by hand, and to this end the shaft Z, carrying the pulleys engaging With the endless chain, is provided. The shaft Z is also provided With the stop-wheel r, designed to act with mechanism, to be hereit1after described,

to prevent the bottom moving gbackward, except when the machine operates to distribute fertilizing material. In the present instance the crank which enables the operator to'rotate the shaft J is secured to the stop-wheel 4 to obtain increased leverage.

All the foregoing recited parts, as well as severalofthe features t0 he presently described, are constructed and'arranged substantially as de scribed in the Letters Patent mentioned hercinbefore, and reference is made thereto for a fuller description of the parts and their operation.

Meshing with the pinionj, keyed to the axle F, as stated, is a spnr-gear wheel, G, removabiy held on a stud, g, securedto the body A.

This wheel is provided With two or morc series of teeth annularly arranged on one of its sides with intervening spaces.

K marks the worm-shaft, having a worm, k, secured to its rear end, which meshes with the worm-gear whee1j,attached to the shaft f, carrying the polygonal wheel, upon whose surface is laid the slatted bottom as it is drawn backward through the operation ofthe machine. The forward end otthe worm-shaitis fastened in a sleeve, which in turn is held free to rotate on the stud 9. A portion of this shaft at its forward end is squared, and receives a pinion, G, capable of longitudinal motion thereon. This pinion G is provided with a flange, g, which projects into the space between any two of the series of teeth on the gear-wheel G when the said pinioi1 engages with the series immediately in front or inward of said space, and thns is held at a given point on the wormshaft.

When itis desired t0 engage the pinion with the outermost series of teeth the said pinion is moved on thcworm-shatt until itstrikes against the pin 70, when the adjustment is made and the pinion prevented from further backward movement. To make these several adjustments it is necessary to partially or wholly re move the holding-mat or other device for retaining the wheel G on its stud and slip the said wheel outward, so as to permit the pinion to be moved on the shaft to the desired position. By this arrangement of parts I am enabled to give to the worm-shaft varions rates of speed from a given speed of the drivingaxle, so as to effect the distribution of varyin gquantities of fertilizin g material to the acre as may be required in view of the condition of the land or the strength of said fertilizing material. The necessity of extra sets of gears, as heretofore, t0 render the machine complcte 1's avoided.

The worm shaft receives au exteriorlysquared sleeve,u, servin g as a bearing for said shaft between the worm-gear and the squared portion, and is capable of vertical play in the slotted sector U, fastened to the body of' the cart.

A bell-crank lever, W,is pivoted to the body A, the lower end of which is provided with a lateral pin working in the slottedprojection w of the sleeve u,as partieularly shown in Fig. 5. To the 'upper end of this lever is fastened a connecting-bar, X, which extends to the forward part of the body, where it is held to the side thereot by a keeper, .70. This keeper permits vertical play of the connecting-bar, but prevents lateral movement thereof. An additional keeper, 00, may be provided, as shown in Fig. 2. The forward end of the connecting-bar X is slotted to receive a coil-spring, and in front thereof the wrist of the cranlc arm 0, which latter is secured to the shaft M, as stated hereinbefore.

Depending from the wrist of the crank-arm 0 is a connecting-rod, Y, whose lower end is attached to the forward extremity of a lever, y, pivoted at its opposite end tothe body, as shown. 'This lever is provided with a lateral projection, 3 which, when the machine is not acting as a distributer, engages with the teeth of the stop-wheel 1.

Fig. 2 of the drawings shows the baud-lever 0 in an upright position, and held by the latch, the projection y removed from the stopwheel 9*, and the bottom-operating mechanism properly adjusted to cause the bottom to be moved backward upon giving a forward motion to the cart.

To disengage the bottomoperating mechan ism from the bottom, thelevero is released from the latch I and drawn forward, when the crankarm will depress theforwardend ofthe connecting-bar X, partially rotatingthe bell-crank lever on its axis, whereupcn the worm Will be lifted out of contact with the worm-gear wheel, the worm-shafthaving an upward movementi1i the slotted sector, andthe sleeveat the. for= ward end worm-s11 aft is partially rotated on the stnd g. Simultaneously the connecting-rod Y, held to the crank-arm O, Will cause the lever 3 to be depressed, when the projection y Will engage With the teeth of the stop-wheel to prevent backward motion of the bottom. It Will now be seen that by moving the hand-lever 0 from the position shown in Fig. 1 to the upright position shown in Fig. 2 the entire machine Will be thrown into gear to cause a proper distribution of fertilizin g material upon giving a forward motion to the cart; and, on

the other hand, the drum and bottom operatingmechanisms Will be thrown out of gcar, and the bottom-holding mechanism into engagement by giving an opposite motion to the handlever, either automatically by the trip, as described-hereinbefore, or by hand. Should the worm strike upon the teeth of the worm-gear wheel when the various mechanisms are thrown into engagement, the coiLspring in the end ot the connecting-bar X will be compressed by the wrist of the crank-arm, whereby the handlever o can be brought to a vertical position, so as to engage With the latch. The forward motion of the wheels and consequent rotation of the worm Will cause it to drop into proper engagement With the worm-gear wheel. By

IOO

loi;

IIS 7 adjnstrnent on said shaft, but: prevented from this construction ail damage or strain to the parts is avoided.

The several series of teeth on the gear-wheel must be so eut as towork with the singlepinion G.

If desired, au adj ustanle sleeve may be placed on the worm-shaft in the place of the pin la, so that as the parts become worn the said sleeve may be adj nsted to prevent end-play of-the said parts.

Having thns described my invention, what I claim, and desireto secnre by Letters Patent,

7 1. The combination, with the rotatin g driveaxle of a fertilizer-distributer, provided with a spur-pinion, and a movable bottom and its actnating-shaft, having a wormgear secured to one end thereof, of a worm-shatt provided With a worm t0 mesh with the worm-gear, and having a spr-pinion capable of longitudinal revolving thereon, and the wheel G, journaled to the body A and having teeth on its periphery to mesh with the spnr-pinion on the driveaxle, and provided with two or more concentric series of cogs on one of its sides, substantially' as and for the purpose set; forth.

2. The combination, with the wheel G, removably held on thestnd g, secured to the body A, of the sqnared worm-shaf held to the stud 9 and provided with the pin, as shown, and the spnr-pinion free to move longitudinally on said sqnared shaft and having the fiange, sabstantially as described, and for the pnrpose set forth.

3. The combination, with the rotatingdriveaxle of a fertilizer-distribnter, provided with a pinion, and a movable bottom and its actuatingshaft, having a worm-gear secured to one end thereof, of a squared worm-shafh provided= with a W0rm t0 mesh with the worm-gear,a pin, as shown, and a spur-pinion free to move longitx;dinally onsaid sqnared shaft: and having a collar or flange, g, and the wheel G, rennovablyheld on the stnd g, seenred to the body A, having teeth on its periphery t0 mesh With the spur-pinon on the drive-axle, and provided with two or more concentric series of cogs on one of its 'sides, snbscantally as shown and described, and for the purpose set forth.

4. The co mbination, with the movable bottom and its actuatngshafn, provided with worm-gear wheel, of the worm-shafb adapted tube moved on its stud in a vertical plane, and provided withthe worm and slotted sleeve, the slotted sector, and the bell-crank lever corinected to the slotted sleeve and having a bar extending to the forward part; of the body, as shown and described, and for the pnrpose set fortlr.

5. The shafl: M, having the crank-arm, the slotted bar provided Wfll the coil-spring, the bell-crank lever, t.he movable worm-shafc provided -with tiie sleeve, bhe botcom actnating shaft provided with the worm-gear whee1, and the movable bottom, in combination, for the purpose set: forth.

6. Thestop-wheel, the shaft M, provided with the crank-arm, the connecting-rod Y, andlever y, having the projection y, in combination, snbstantially as shown and described, and for the purpose ses forth.

In testimony whereofl aflix my signature in presence Oftwo witnesses.

JOSEPH SARGENT KEMP.

YVitnesses JAS. H. LANGE, JOHN TINKER. 

